Product-Documentation

Product: Sea Level Anomalies (SLA)
Version: 40
Mission: ERS-2

Parameter Description
jday.00 Julian Day
Julian Day Epoch 2000.0 (2000-01-01 12:00:00 UTC)
Julian Day 2000 values are truncated in MVA after 5-digits!
glon.00 Longitude
East longitude relative to Greenwich meridian.
Source: SGDR/REAPER
Original-Parameter: lon
glat.00 Latitude
Positive latitude is North latitude, negative latitude is South latitude
Source: SGDR/REAPER
Original-Parameter: lat
sla.40 Sea Level Anomalies
DTU15, EOT20, DAC, MMXO22
MVA-Parameters:
- Dry Tropospheric Correction from Vienna Mapping Function (VMF3) (dtrop.06)
- Solid Earth Tide Correction using IERS Convention 2010 (etide.06)
- Internal Tide Correction (itide.01)
- Ocean Tide Correction of EOT20 (otide.22)
- Wet Tropospheric Correction from Vienna Mapping Function (VMF3) (wtrop.06)
- Ocean Load Tide Correction of EOT20 (ltide.22)
- Sea State Bias (emb.00)
- Mean Sea Surface Height from DTU15 (mssh.05)
- Instrument Status and Quality Flags (iflags.00)
- Inverse Barometer Effect from DAC (AVISO) (invb.05)
- Radial Orbit Error from MMXO22 (oer.22)
- Undefined parameter (ionos.02)
- Altimeter Range (ralt.00)
- Orbit Status and Quality Flags (oflags.00)
- Pole Tide Correction (ptide.05)
- Satellite Altitude above TOPEX Ellipsoid (hsat.00)
gflags.40 Geophysical Corrections Quality Flags
MVA-Parameters:
- Dry Tropospheric Correction from Vienna Mapping Function (VMF3) (dtrop.06)
- Sea State Bias (emb.00)
- Wet Tropospheric Correction from Vienna Mapping Function (VMF3) (wtrop.06)
- Radial Orbit Error from MMXO22 (oer.22)
- Undefined parameter (ionos.02)
- Fractional Ice Concentration from NSIDC (fic.01)
oflags.00 Orbit Status and Quality Flags
iflags.00 Instrument Status and Quality Flags
Source: SGDR/REAPER
Original-Parameter: swh, swh_rms, ocean_range_numval, ocean_range, ocean_range_rms
Flags:
2 : swh_ku == 0 || swh_rms_ku/swh_ku > 0.1
8 : ocean_range_numval < 12
128 : range_ku == nan || range_rms_ku == nan

Find more topics on the central web site of the Technical University of Munich: www.tum.de